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docs/Cluster-VictoriaMetrics.md: mention that vmselect doesnt serve partial responses from export API

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Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/1148
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Aliaksandr Valialkin 2021-03-25 21:03:29 +02:00
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docs/Cluster-VictoriaMetrics.md
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@ -272,6 +272,8 @@ the update process. See [cluster availability](#cluster-availability) section fo
- `vminsert` re-routes incoming data from unavailable `vmstorage` nodes to healthy `vmstorage` nodes
- `vmselect` continues serving partial responses if at least a single `vmstorage` node is available. If consistency over availability is preferred, then either pass `-search.denyPartialResponse` command-line flag to `vmselect` or pass `deny_partial_response=1` query arg in requests to `vmselect`.
`vmselect` doesn't serve partial responses for API handlers returning raw datapoints - [`/api/v1/export*` endpoints](https://victoriametrics.github.io/#how-to-export-time-series), since users usually expect this data is always complete.
Data replication can be used for increasing storage durability. See [these docs](#replication-and-data-safety) for details.